Bird feeder



FIG. 1 is a front elevational view of a bird feeder according to the present design, the rear view being a nearly mirror image, except for the clip shown on the base thereof;

FIG. 2 is a side elevational view thereof, the opposite side being a nearly mirror image, except for the clip shown on the base thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines shown in the figures are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a bird feeder, as shown and described. 